65727920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 162177120

約数和(自身を除く): 96449200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 691, 820, 1160, 1189, 1382, 1640, 2320, 2378, 2764, 3280, 3455, 4756, 5528, 5945, 6910, 9512, 11056, 11890, 13820, 19024, 20039, 23780, 27640, 28331, 40078, 47560, 55280, 56662, 80156, 95120, 100195, 113324, 141655, 160312, 200390, 226648, 283310, 320624, 400780, 453296, 566620, 801560, 821599, 1133240, 1603120, 1643198, 2266480, 3286396, 4107995, 6572792, 8215990, 13145584, 16431980, 32863960, 65727920]

約数ペア:

[(1, 65727920), (2, 32863960), (4, 16431980), (5, 13145584), (8, 8215990), (10, 6572792), (16, 4107995), (20, 3286396), (29, 2266480), (40, 1643198), (41, 1603120), (58, 1133240), (80, 821599), (82, 801560), (116, 566620), (145, 453296), (164, 400780), (205, 320624), (232, 283310), (290, 226648), (328, 200390), (410, 160312), (464, 141655), (580, 113324), (656, 100195), (691, 95120), (820, 80156), (1160, 56662), (1189, 55280), (1382, 47560), (1640, 40078), (2320, 28331), (2378, 27640), (2764, 23780), (3280, 20039), (3455, 19024), (4756, 13820), (5528, 11890), (5945, 11056), (6910, 9512)]